/*
 * Copyright (c) 2010 Curtis Boyden.  All rights reserved. 
 * This software was developed by Curtis Boyden and is provided under the terms 
 * of the GNU Lesser General Public License, Version 2.1. You may not use 
 * this file except in compliance with the license. If you need a copy of the license, 
 * please go to http://www.gnu.org/licenses/lgpl-2.1.txt. The Original Code is ejMud
 * (Ewerp Java MUD).  The Initial Developer is Curtis Boyden.
 *
 * Software distributed under the GNU Lesser Public License is distributed on an "AS IS" 
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or  implied. Please refer to 
 * the license for the specific language governing your rights and limitations.
 */

package com.ewerp.mud.entities;

public class EwerpEntityPointer implements IPointer {

    EwerpEntityPointer() {
    }
    
    private IObjectId objectId;
    private Class<? extends IEntity> type;
    private IEntity object;
    
    private IContentManager contentManager;
    
    @Override
    public IObjectId getId() {
        return objectId;
    }

    @Override
    public Class<? extends IEntity> getType() {
        if(type == null && objectId != null && contentManager != null) {
            object = contentManager.fetchObject(objectId);
            if(object != null) {
                type = object.getClass();
            }
        }
        return type;
    }

    @Override
    public IEntity getObject() {
        if(object == null && objectId != null && contentManager != null) {
            object = contentManager.fetchObject(objectId);
            if(object != null) {
                type = object.getClass();
            }
        }
        return object;
    }
    
    void setContentManager(IContentManager contentManager) {
        this.contentManager = contentManager;
    }
    
    void setId(IObjectId objectId) {
        this.objectId = objectId;
    }
    
    void setObject(IEntity object) {
        this.objectId = object.getId();
        this.type = object.getClass();
        this.object = object;
    }

}
